A call was received around 2.50 am about the fire and 20 firetenders were rushed to the spot, said an official from the DFS.
One fireman, Kuldeep, sustained minor injuries to his fingers during the operation.
The fire was doused by 10.20 am, he added.
The cause of the fire is yet to be ascertained.
Last month, a fire ripped through a firecracker unit in Bawana killing 17 people, including 10 women.